* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
* Copyright 2009 VMware, Inc. All Rights Reserved.
- * Copyright © 2010 Intel Corporation
+ * Copyright © 2010-2011 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
#include "mtypes.h"
#include "main/uniforms.h"
#include "main/macros.h"
+#include "main/samplerobj.h"
#include "program/program.h"
#include "program/prog_parameter.h"
#include "program/prog_cache.h"
#include "program/programopt.h"
#include "texenvprogram.h"
}
+#include "main/uniforms.h"
#include "../glsl/glsl_types.h"
#include "../glsl/ir.h"
+#include "../glsl/ir_builder.h"
#include "../glsl/glsl_symbol_table.h"
#include "../glsl/glsl_parser_extras.h"
#include "../glsl/ir_optimization.h"
#include "../glsl/ir_print_visitor.h"
#include "../program/ir_to_mesa.h"
+using namespace ir_builder;
+
/*
* Note on texture units:
*
/* NOTE: This array of structs must be last! (see "keySize" below) */
struct {
GLuint enabled:1;
- GLuint source_index:3; /**< TEXTURE_x_INDEX */
+ GLuint source_index:4; /**< TEXTURE_x_INDEX */
GLuint shadow:1;
GLuint ScaleShiftRGB:2;
GLuint ScaleShiftA:2;
static GLuint translate_tex_src_bit( GLbitfield bit )
{
ASSERT(bit);
- return _mesa_ffs(bit) - 1;
+ return ffs(bit) - 1;
}
const GLboolean vertexShader =
(ctx->Shader.CurrentVertexProgram &&
ctx->Shader.CurrentVertexProgram->LinkStatus &&
- ctx->Shader.CurrentVertexProgram->VertexProgram);
+ ctx->Shader.CurrentVertexProgram->_LinkedShaders[MESA_SHADER_VERTEX]);
const GLboolean vertexProgram = ctx->VertexProgram._Enabled;
GLbitfield fp_inputs = 0x0;
/* _NEW_RENDERMODE */
fp_inputs = (FRAG_BIT_COL0 | FRAG_BIT_TEX0);
}
- else if (!(vertexProgram || vertexShader) ||
- !ctx->VertexProgram._Current) {
+ else if (!(vertexProgram || vertexShader)) {
/* Fixed function vertex logic */
- /* _NEW_ARRAY */
- GLbitfield varying_inputs = ctx->varying_vp_inputs;
+ /* _NEW_VARYING_VP_INPUTS */
+ GLbitfield64 varying_inputs = ctx->varying_vp_inputs;
/* These get generated in the setup routine regardless of the
* vertex program:
}
else {
/* calculate from vp->outputs */
- struct gl_vertex_program *vprog;
+ struct gl_program *vprog;
GLbitfield64 vp_outputs;
/* Choose GLSL vertex shader over ARB vertex program. Need this
* validation (see additional comments in state.c).
*/
if (vertexShader)
- vprog = ctx->Shader.CurrentVertexProgram->VertexProgram;
+ vprog = ctx->Shader.CurrentVertexProgram->_LinkedShaders[MESA_SHADER_VERTEX]->Program;
else
- vprog = ctx->VertexProgram.Current;
+ vprog = &ctx->VertexProgram.Current->Base;
- vp_outputs = vprog->Base.OutputsWritten;
+ vp_outputs = vprog->OutputsWritten;
/* These get generated in the setup routine regardless of the
* vertex program:
const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
const struct gl_texture_object *texObj = texUnit->_Current;
const struct gl_tex_env_combine_state *comb = texUnit->_CurrentCombine;
+ const struct gl_sampler_object *samp;
GLenum format;
if (!texUnit->_ReallyEnabled || !texUnit->Enabled)
continue;
+ samp = _mesa_get_samplerobj(ctx, i);
format = texObj->Image[0][texObj->BaseLevel]->_BaseFormat;
key->unit[i].enabled = 1;
key->unit[i].source_index =
translate_tex_src_bit(texUnit->_ReallyEnabled);
- key->unit[i].shadow = ((texObj->CompareMode == GL_COMPARE_R_TO_TEXTURE) &&
- ((format == GL_DEPTH_COMPONENT) ||
- (format == GL_DEPTH_STENCIL_EXT)));
+ key->unit[i].shadow =
+ ((samp->CompareMode == GL_COMPARE_R_TO_TEXTURE) &&
+ ((format == GL_DEPTH_COMPONENT) ||
+ (format == GL_DEPTH_STENCIL_EXT)));
key->unit[i].NumArgsRGB = comb->_NumArgsRGB;
key->unit[i].NumArgsA = comb->_NumArgsA;
/* _NEW_BUFFERS */
key->num_draw_buffers = ctx->DrawBuffer->_NumColorDrawBuffers;
+ /* _NEW_COLOR */
+ if (ctx->Color.AlphaEnabled && key->num_draw_buffers == 0) {
+ /* if alpha test is enabled we need to emit at least one color */
+ key->num_draw_buffers = 1;
+ }
+
key->inputs_available = (inputs_available & inputs_referenced);
/* compute size of state key, ignoring unused texture units */
/** State used to build the fragment program:
*/
-struct texenv_fragment_program {
+class texenv_fragment_program : public ir_factory {
+public:
struct gl_shader_program *shader_program;
struct gl_shader *shader;
- struct gl_fragment_program *program;
- exec_list *instructions;
exec_list *top_instructions;
- void *mem_ctx;
struct state_key *state;
- GLbitfield alu_temps; /**< Track texture indirections, see spec. */
- GLbitfield temps_output; /**< Track texture indirections, see spec. */
- GLbitfield temp_in_use; /**< Tracks temporary regs which are in use. */
- GLboolean error;
-
ir_variable *src_texture[MAX_TEXTURE_COORD_UNITS];
/* Reg containing each texture unit's sampled texture color,
* else undef.
*/
/* Texcoord override from bumpmapping. */
- struct ir_variable *texcoord_tex[MAX_TEXTURE_COORD_UNITS];
+ ir_variable *texcoord_tex[MAX_TEXTURE_COORD_UNITS];
/* Reg containing texcoord for a texture unit,
* needed for bump mapping, else undef.
ir_rvalue *src_previous; /**< Reg containing color from previous
* stage. May need to be decl'd.
*/
-
- GLuint last_tex_stage; /**< Number of last enabled texture unit */
};
static ir_rvalue *
-get_source(struct texenv_fragment_program *p,
+get_current_attrib(texenv_fragment_program *p, GLuint attrib)
+{
+ ir_variable *current;
+ ir_rvalue *val;
+
+ current = p->shader->symbols->get_variable("gl_CurrentAttribFragMESA");
+ current->max_array_access = MAX2(current->max_array_access, attrib);
+ val = new(p->mem_ctx) ir_dereference_variable(current);
+ ir_rvalue *index = new(p->mem_ctx) ir_constant(attrib);
+ return new(p->mem_ctx) ir_dereference_array(val, index);
+}
+
+static ir_rvalue *
+get_gl_Color(texenv_fragment_program *p)
+{
+ if (p->state->inputs_available & FRAG_BIT_COL0) {
+ ir_variable *var = p->shader->symbols->get_variable("gl_Color");
+ assert(var);
+ return new(p->mem_ctx) ir_dereference_variable(var);
+ } else {
+ return get_current_attrib(p, VERT_ATTRIB_COLOR0);
+ }
+}
+
+static ir_rvalue *
+get_source(texenv_fragment_program *p,
GLuint src, GLuint unit)
{
ir_variable *var;
case SRC_PREVIOUS:
if (!p->src_previous) {
- var = p->shader->symbols->get_variable("gl_Color");
- assert(var);
- return new(p->mem_ctx) ir_dereference_variable(var);
+ return get_gl_Color(p);
} else {
return p->src_previous->clone(p->mem_ctx, NULL);
}
}
static ir_rvalue *
-emit_combine_source(struct texenv_fragment_program *p,
+emit_combine_source(texenv_fragment_program *p,
GLuint unit,
GLuint source,
GLuint operand)
switch (operand) {
case OPR_ONE_MINUS_SRC_COLOR:
- return new(p->mem_ctx) ir_expression(ir_binop_sub,
- new(p->mem_ctx) ir_constant(1.0f),
- src);
-
- case OPR_SRC_ALPHA:
- return new(p->mem_ctx) ir_swizzle(src, 3, 3, 3, 3, 1);
-
- case OPR_ONE_MINUS_SRC_ALPHA:
- return new(p->mem_ctx) ir_expression(ir_binop_sub,
- new(p->mem_ctx) ir_constant(1.0f),
- new(p->mem_ctx) ir_swizzle(src,
- 3, 3,
- 3, 3, 1));
+ return sub(new(p->mem_ctx) ir_constant(1.0f), src);
+
+ case OPR_SRC_ALPHA:
+ return src->type->is_scalar() ? src : swizzle_w(src);
+
+ case OPR_ONE_MINUS_SRC_ALPHA: {
+ ir_rvalue *const scalar = src->type->is_scalar() ? src : swizzle_w(src);
+
+ return sub(new(p->mem_ctx) ir_constant(1.0f), scalar);
+ }
+
case OPR_ZERO:
return new(p->mem_ctx) ir_constant(0.0f);
case OPR_ONE:
}
static ir_rvalue *
-smear(struct texenv_fragment_program *p, ir_rvalue *val)
+smear(texenv_fragment_program *p, ir_rvalue *val)
{
if (!val->type->is_scalar())
return val;
- return new(p->mem_ctx) ir_swizzle(val, 0, 0, 0, 0, 4);
+ return swizzle_xxxx(val);
}
static ir_rvalue *
-emit_combine(struct texenv_fragment_program *p,
+emit_combine(texenv_fragment_program *p,
GLuint unit,
GLuint nr,
GLuint mode,
return src[0];
case MODE_MODULATE:
- return new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[1]);
+ return mul(src[0], src[1]);
case MODE_ADD:
- return new(p->mem_ctx) ir_expression(ir_binop_add, src[0], src[1]);
+ return add(src[0], src[1]);
case MODE_ADD_SIGNED:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, src[0], src[1]);
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
- new(p->mem_ctx) ir_constant(-0.5f));
+ return add(add(src[0], src[1]), new(p->mem_ctx) ir_constant(-0.5f));
case MODE_INTERPOLATE:
/* Arg0 * (Arg2) + Arg1 * (1-Arg2) */
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
-
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_sub,
- new(p->mem_ctx) ir_constant(1.0f),
- src[2]->clone(p->mem_ctx, NULL));
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[1], tmp1);
-
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, tmp1);
+ tmp0 = mul(src[0], src[2]);
+ tmp1 = mul(src[1], sub(new(p->mem_ctx) ir_constant(1.0f),
+ src[2]->clone(p->mem_ctx, NULL)));
+ return add(tmp0, tmp1);
case MODE_SUBTRACT:
- return new(p->mem_ctx) ir_expression(ir_binop_sub, src[0], src[1]);
+ return sub(src[0], src[1]);
case MODE_DOT3_RGBA:
case MODE_DOT3_RGBA_EXT:
case MODE_DOT3_RGB_EXT:
case MODE_DOT3_RGB: {
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0],
- new(p->mem_ctx) ir_constant(2.0f));
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
- new(p->mem_ctx) ir_constant(-1.0f));
- tmp0 = new(p->mem_ctx) ir_swizzle(smear(p, tmp0), 0, 1, 2, 3, 3);
-
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[1],
- new(p->mem_ctx) ir_constant(2.0f));
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp1,
- new(p->mem_ctx) ir_constant(-1.0f));
- tmp1 = new(p->mem_ctx) ir_swizzle(smear(p, tmp1), 0, 1, 2, 3, 3);
-
- return new(p->mem_ctx) ir_expression(ir_binop_dot, tmp0, tmp1);
+ tmp0 = mul(src[0], new(p->mem_ctx) ir_constant(2.0f));
+ tmp0 = add(tmp0, new(p->mem_ctx) ir_constant(-1.0f));
+
+ tmp1 = mul(src[1], new(p->mem_ctx) ir_constant(2.0f));
+ tmp1 = add(tmp1, new(p->mem_ctx) ir_constant(-1.0f));
+
+ return dot(swizzle_xyz(smear(p, tmp0)), swizzle_xyz(smear(p, tmp1)));
}
case MODE_MODULATE_ADD_ATI:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, src[1]);
+ return add(mul(src[0], src[2]), src[1]);
case MODE_MODULATE_SIGNED_ADD_ATI:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, src[1]);
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
- new(p->mem_ctx) ir_constant(-0.5f));
+ return add(add(mul(src[0], src[2]), src[1]),
+ new(p->mem_ctx) ir_constant(-0.5f));
case MODE_MODULATE_SUBTRACT_ATI:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
- return new(p->mem_ctx) ir_expression(ir_binop_sub, tmp0, src[1]);
+ return sub(mul(src[0], src[2]), src[1]);
case MODE_ADD_PRODUCTS:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[1]);
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[2], src[3]);
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, tmp1);
+ return add(mul(src[0], src[1]), mul(src[2], src[3]));
case MODE_ADD_PRODUCTS_SIGNED:
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[1]);
- tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[2], src[3]);
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, tmp1);
- return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
- new(p->mem_ctx) ir_constant(-0.5f));
+ return add(add(mul(src[0], src[1]), mul(src[2], src[3])),
+ new(p->mem_ctx) ir_constant(-0.5f));
case MODE_BUMP_ENVMAP_ATI:
/* special - not handled here */
}
}
-static ir_rvalue *
-saturate(struct texenv_fragment_program *p, ir_rvalue *val)
-{
- val = new(p->mem_ctx) ir_expression(ir_binop_min, val,
- new(p->mem_ctx) ir_constant(1.0f));
- return new(p->mem_ctx) ir_expression(ir_binop_max, val,
- new(p->mem_ctx) ir_constant(0.0f));
-}
-
/**
* Generate instructions for one texture unit's env/combiner mode.
*/
static ir_rvalue *
-emit_texenv(struct texenv_fragment_program *p, GLuint unit)
+emit_texenv(texenv_fragment_program *p, GLuint unit)
{
const struct state_key *key = p->state;
GLboolean rgb_saturate, alpha_saturate;
else
alpha_saturate = GL_FALSE;
- ir_variable *temp_var = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
- "texenv_combine",
- ir_var_temporary);
- p->instructions->push_tail(temp_var);
-
+ ir_variable *temp_var = p->make_temp(glsl_type::vec4_type, "texenv_combine");
ir_dereference *deref;
- ir_assignment *assign;
ir_rvalue *val;
/* Emit the RGB and A combine ops
key->unit[unit].OptRGB);
val = smear(p, val);
if (rgb_saturate)
- val = saturate(p, val);
+ val = saturate(val);
- deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
- assign = new(p->mem_ctx) ir_assignment(deref, val, NULL);
- p->instructions->push_tail(assign);
+ p->emit(assign(temp_var, val));
}
else if (key->unit[unit].ModeRGB == MODE_DOT3_RGBA_EXT ||
key->unit[unit].ModeRGB == MODE_DOT3_RGBA) {
key->unit[unit].OptRGB);
val = smear(p, val);
if (rgb_saturate)
- val = saturate(p, val);
- deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
- assign = new(p->mem_ctx) ir_assignment(deref, val, NULL);
- p->instructions->push_tail(assign);
+ val = saturate(val);
+ p->emit(assign(temp_var, val));
}
else {
/* Need to do something to stop from re-emitting identical
key->unit[unit].NumArgsRGB,
key->unit[unit].ModeRGB,
key->unit[unit].OptRGB);
- val = smear(p, val);
- val = new(p->mem_ctx) ir_swizzle(val, 0, 1, 2, 3, 3);
+ val = swizzle_xyz(smear(p, val));
if (rgb_saturate)
- val = saturate(p, val);
- deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
- assign = new(p->mem_ctx) ir_assignment(deref, val, NULL, WRITEMASK_XYZ);
- p->instructions->push_tail(assign);
+ val = saturate(val);
+ p->emit(assign(temp_var, val, WRITEMASK_XYZ));
val = emit_combine(p, unit,
key->unit[unit].NumArgsA,
key->unit[unit].ModeA,
key->unit[unit].OptA);
- val = smear(p, val);
- val = new(p->mem_ctx) ir_swizzle(val, 3, 3, 3, 3, 1);
+ val = swizzle_w(smear(p, val));
if (alpha_saturate)
- val = saturate(p, val);
- deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
- assign = new(p->mem_ctx) ir_assignment(deref, val, NULL, WRITEMASK_W);
- p->instructions->push_tail(assign);
+ val = saturate(val);
+ p->emit(assign(temp_var, val, WRITEMASK_W));
}
deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
}
else {
float const_data[4] = {
- 1 << rgb_shift,
- 1 << rgb_shift,
- 1 << rgb_shift,
- 1 << alpha_shift
+ float(1 << rgb_shift),
+ float(1 << rgb_shift),
+ float(1 << rgb_shift),
+ float(1 << alpha_shift)
};
shift = new(p->mem_ctx) ir_constant(glsl_type::vec4_type,
(ir_constant_data *)const_data);
}
- return saturate(p, new(p->mem_ctx) ir_expression(ir_binop_mul,
- deref, shift));
+ return saturate(mul(deref, shift));
}
else
return deref;
/**
* Generate instruction for getting a texture source term.
*/
- static void load_texture( struct texenv_fragment_program *p, GLuint unit )
- {
- ir_dereference *deref;
- ir_assignment *assign;
-
- if (p->src_texture[unit])
- return;
-
- const GLuint texTarget = p->state->unit[unit].source_index;
- ir_rvalue *texcoord;
-
- if (p->texcoord_tex[unit]) {
- texcoord = new(p->mem_ctx) ir_dereference_variable(p->texcoord_tex[unit]);
- }
- else {
- ir_variable *tc_array = p->shader->symbols->get_variable("gl_TexCoord");
- assert(tc_array);
- texcoord = new(p->mem_ctx) ir_dereference_variable(tc_array);
- ir_rvalue *index = new(p->mem_ctx) ir_constant(unit);
- texcoord = new(p->mem_ctx) ir_dereference_array(texcoord, index);
- tc_array->max_array_access = MAX2(tc_array->max_array_access, unit);
- }
-
- if (!p->state->unit[unit].enabled) {
- p->src_texture[unit] = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
- "dummy_tex",
- ir_var_temporary);
- p->instructions->push_tail(p->src_texture[unit]);
-
- deref = new(p->mem_ctx) ir_dereference_variable(p->src_texture[unit]);
- assign = new(p->mem_ctx) ir_assignment(deref,
- new(p->mem_ctx) ir_constant(0.0f),
- NULL);
- p->instructions->push_tail(assign);
- return ;
- }
-
- const glsl_type *sampler_type = NULL;
- int coords = 0;
-
- switch (texTarget) {
- case TEXTURE_1D_INDEX:
- if (p->state->unit[unit].shadow)
- sampler_type = p->shader->symbols->get_type("sampler1DShadow");
- else
- sampler_type = p->shader->symbols->get_type("sampler1D");
- coords = 1;
- break;
- case TEXTURE_1D_ARRAY_INDEX:
- if (p->state->unit[unit].shadow)
- sampler_type = p->shader->symbols->get_type("sampler1DArrayShadow");
- else
- sampler_type = p->shader->symbols->get_type("sampler1DArray");
- coords = 2;
- break;
- case TEXTURE_2D_INDEX:
- if (p->state->unit[unit].shadow)
- sampler_type = p->shader->symbols->get_type("sampler2DShadow");
- else
- sampler_type = p->shader->symbols->get_type("sampler2D");
- coords = 2;
- break;
- case TEXTURE_2D_ARRAY_INDEX:
- if (p->state->unit[unit].shadow)
- sampler_type = p->shader->symbols->get_type("sampler2DArrayShadow");
- else
- sampler_type = p->shader->symbols->get_type("sampler2DArray");
- coords = 3;
- break;
- case TEXTURE_RECT_INDEX:
- if (p->state->unit[unit].shadow)
- sampler_type = p->shader->symbols->get_type("sampler2DRectShadow");
- else
- sampler_type = p->shader->symbols->get_type("sampler2DRect");
- coords = 2;
- break;
- case TEXTURE_3D_INDEX:
- assert(!p->state->unit[unit].shadow);
- sampler_type = p->shader->symbols->get_type("sampler3D");
- coords = 3;
- break;
- case TEXTURE_CUBE_INDEX:
- if (p->state->unit[unit].shadow)
- sampler_type = p->shader->symbols->get_type("samplerCubeShadow");
- else
- sampler_type = p->shader->symbols->get_type("samplerCube");
- coords = 3;
- break;
- }
-
- p->src_texture[unit] = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
- "tex",
- ir_var_temporary);
- p->instructions->push_tail(p->src_texture[unit]);
-
- ir_texture *tex = new(p->mem_ctx) ir_texture(ir_tex);
-
-
- char *sampler_name = ralloc_asprintf(p->mem_ctx, "sampler_%d", unit);
- ir_variable *sampler = new(p->mem_ctx) ir_variable(sampler_type,
- sampler_name,
- ir_var_uniform);
- p->top_instructions->push_head(sampler);
- deref = new(p->mem_ctx) ir_dereference_variable(sampler);
- tex->set_sampler(deref);
-
- tex->coordinate = new(p->mem_ctx) ir_swizzle(texcoord, 0, 1, 2, 3, coords);
-
- if (p->state->unit[unit].shadow) {
- texcoord = texcoord->clone(p->mem_ctx, NULL);
- tex->shadow_comparitor = new(p->mem_ctx) ir_swizzle(texcoord,
- coords, 0, 0, 0,
- 1);
- coords++;
- }
-
- texcoord = texcoord->clone(p->mem_ctx, NULL);
- tex->projector = new(p->mem_ctx) ir_swizzle(texcoord, 3, 0, 0, 0, 1);
-
- deref = new(p->mem_ctx) ir_dereference_variable(p->src_texture[unit]);
- assign = new(p->mem_ctx) ir_assignment(deref, tex, NULL);
- p->instructions->push_tail(assign);
- }
+static void load_texture( texenv_fragment_program *p, GLuint unit )
+{
+ ir_dereference *deref;
+
+ if (p->src_texture[unit])
+ return;
+
+ const GLuint texTarget = p->state->unit[unit].source_index;
+ ir_rvalue *texcoord;
+
+ if (!(p->state->inputs_available & (FRAG_BIT_TEX0 << unit))) {
+ texcoord = get_current_attrib(p, VERT_ATTRIB_TEX0 + unit);
+ } else if (p->texcoord_tex[unit]) {
+ texcoord = new(p->mem_ctx) ir_dereference_variable(p->texcoord_tex[unit]);
+ } else {
+ ir_variable *tc_array = p->shader->symbols->get_variable("gl_TexCoord");
+ assert(tc_array);
+ texcoord = new(p->mem_ctx) ir_dereference_variable(tc_array);
+ ir_rvalue *index = new(p->mem_ctx) ir_constant(unit);
+ texcoord = new(p->mem_ctx) ir_dereference_array(texcoord, index);
+ tc_array->max_array_access = MAX2(tc_array->max_array_access, unit);
+ }
+
+ if (!p->state->unit[unit].enabled) {
+ p->src_texture[unit] = p->make_temp(glsl_type::vec4_type,
+ "dummy_tex");
+ p->emit(p->src_texture[unit]);
+
+ p->emit(assign(p->src_texture[unit], new(p->mem_ctx) ir_constant(0.0f)));
+ return ;
+ }
+
+ const glsl_type *sampler_type = NULL;
+ int coords = 0;
+
+ switch (texTarget) {
+ case TEXTURE_1D_INDEX:
+ if (p->state->unit[unit].shadow)
+ sampler_type = p->shader->symbols->get_type("sampler1DShadow");
+ else
+ sampler_type = p->shader->symbols->get_type("sampler1D");
+ coords = 1;
+ break;
+ case TEXTURE_1D_ARRAY_INDEX:
+ if (p->state->unit[unit].shadow)
+ sampler_type = p->shader->symbols->get_type("sampler1DArrayShadow");
+ else
+ sampler_type = p->shader->symbols->get_type("sampler1DArray");
+ coords = 2;
+ break;
+ case TEXTURE_2D_INDEX:
+ if (p->state->unit[unit].shadow)
+ sampler_type = p->shader->symbols->get_type("sampler2DShadow");
+ else
+ sampler_type = p->shader->symbols->get_type("sampler2D");
+ coords = 2;
+ break;
+ case TEXTURE_2D_ARRAY_INDEX:
+ if (p->state->unit[unit].shadow)
+ sampler_type = p->shader->symbols->get_type("sampler2DArrayShadow");
+ else
+ sampler_type = p->shader->symbols->get_type("sampler2DArray");
+ coords = 3;
+ break;
+ case TEXTURE_RECT_INDEX:
+ if (p->state->unit[unit].shadow)
+ sampler_type = p->shader->symbols->get_type("sampler2DRectShadow");
+ else
+ sampler_type = p->shader->symbols->get_type("sampler2DRect");
+ coords = 2;
+ break;
+ case TEXTURE_3D_INDEX:
+ assert(!p->state->unit[unit].shadow);
+ sampler_type = p->shader->symbols->get_type("sampler3D");
+ coords = 3;
+ break;
+ case TEXTURE_CUBE_INDEX:
+ if (p->state->unit[unit].shadow)
+ sampler_type = p->shader->symbols->get_type("samplerCubeShadow");
+ else
+ sampler_type = p->shader->symbols->get_type("samplerCube");
+ coords = 3;
+ break;
+ case TEXTURE_EXTERNAL_INDEX:
+ assert(!p->state->unit[unit].shadow);
+ sampler_type = p->shader->symbols->get_type("samplerExternalOES");
+ coords = 2;
+ break;
+ }
+
+ p->src_texture[unit] = p->make_temp(glsl_type::vec4_type,
+ "tex");
+
+ ir_texture *tex = new(p->mem_ctx) ir_texture(ir_tex);
+
+
+ char *sampler_name = ralloc_asprintf(p->mem_ctx, "sampler_%d", unit);
+ ir_variable *sampler = new(p->mem_ctx) ir_variable(sampler_type,
+ sampler_name,
+ ir_var_uniform);
+ p->top_instructions->push_head(sampler);
+
+ /* Set the texture unit for this sampler. The linker will pick this value
+ * up and do-the-right-thing.
+ *
+ * NOTE: The cast to int is important. Without it, the constant will have
+ * type uint, and things later on may get confused.
+ */
+ sampler->constant_value = new(p->mem_ctx) ir_constant(int(unit));
+
+ deref = new(p->mem_ctx) ir_dereference_variable(sampler);
+ tex->set_sampler(deref, glsl_type::vec4_type);
+
+ tex->coordinate = new(p->mem_ctx) ir_swizzle(texcoord, 0, 1, 2, 3, coords);
+
+ if (p->state->unit[unit].shadow) {
+ texcoord = texcoord->clone(p->mem_ctx, NULL);
+ tex->shadow_comparitor = new(p->mem_ctx) ir_swizzle(texcoord,
+ coords, 0, 0, 0,
+ 1);
+ coords++;
+ }
+
+ texcoord = texcoord->clone(p->mem_ctx, NULL);
+ tex->projector = swizzle_w(texcoord);
+
+ p->emit(assign(p->src_texture[unit], tex));
+}
static void
-load_texenv_source(struct texenv_fragment_program *p,
+load_texenv_source(texenv_fragment_program *p,
GLuint src, GLuint unit)
{
switch (src) {
* Generate instructions for loading all texture source terms.
*/
static GLboolean
-load_texunit_sources( struct texenv_fragment_program *p, GLuint unit )
+load_texunit_sources( texenv_fragment_program *p, GLuint unit )
{
const struct state_key *key = p->state;
GLuint i;
* Generate instructions for loading bump map textures.
*/
static void
-load_texunit_bumpmap( struct texenv_fragment_program *p, GLuint unit )
+load_texunit_bumpmap( texenv_fragment_program *p, GLuint unit )
{
const struct state_key *key = p->state;
GLuint bumpedUnitNr = key->unit[unit].OptRGB[1].Source - SRC_TEXTURE0;
ir_rvalue *bump;
ir_rvalue *texcoord;
- ir_variable *rot_mat_0_var, *rot_mat_1_var;
- ir_dereference_variable *rot_mat_0, *rot_mat_1;
+ ir_variable *rot_mat_0, *rot_mat_1;
- rot_mat_0_var = p->shader->symbols->get_variable("gl_MESABumpRotMatrix0");
- rot_mat_1_var = p->shader->symbols->get_variable("gl_MESABumpRotMatrix1");
- rot_mat_0 = new(p->mem_ctx) ir_dereference_variable(rot_mat_0_var);
- rot_mat_1 = new(p->mem_ctx) ir_dereference_variable(rot_mat_1_var);
+ rot_mat_0 = p->shader->symbols->get_variable("gl_BumpRotMatrix0MESA");
+ rot_mat_1 = p->shader->symbols->get_variable("gl_BumpRotMatrix1MESA");
ir_variable *tc_array = p->shader->symbols->get_variable("gl_TexCoord");
assert(tc_array);
* dest = Arg1 + (Arg0.xx * rotMat0) + (Arg0.yy * rotMat1)
* note only 2 coords are affected the rest are left unchanged (mul by 0)
*/
- ir_dereference *deref;
- ir_assignment *assign;
ir_rvalue *bump_x, *bump_y;
texcoord = smear(p, texcoord);
/* bump_texcoord = texcoord */
- ir_variable *bumped = new(p->mem_ctx) ir_variable(texcoord->type,
- "bump_texcoord",
- ir_var_temporary);
- p->instructions->push_tail(bumped);
-
- deref = new(p->mem_ctx) ir_dereference_variable(bumped);
- assign = new(p->mem_ctx) ir_assignment(deref, texcoord, NULL);
- p->instructions->push_tail(assign);
+ ir_variable *bumped = p->make_temp(texcoord->type, "bump_texcoord");
+ p->emit(bumped);
+ p->emit(assign(bumped, texcoord));
/* bump_texcoord.xy += arg0.x * rotmat0 + arg0.y * rotmat1 */
bump = get_source(p, key->unit[unit].OptRGB[0].Source, unit);
- bump_x = new(p->mem_ctx) ir_swizzle(bump, 0, 0, 0, 0, 1);
- bump = bump->clone(p->mem_ctx, NULL);
- bump_y = new(p->mem_ctx) ir_swizzle(bump, 1, 0, 0, 0, 1);
+ bump_x = mul(swizzle_x(bump), rot_mat_0);
+ bump_y = mul(swizzle_y(bump->clone(p->mem_ctx, NULL)), rot_mat_1);
- bump_x = new(p->mem_ctx) ir_expression(ir_binop_mul, bump_x, rot_mat_0);
- bump_y = new(p->mem_ctx) ir_expression(ir_binop_mul, bump_y, rot_mat_1);
-
- ir_expression *expr;
- expr = new(p->mem_ctx) ir_expression(ir_binop_add, bump_x, bump_y);
-
- deref = new(p->mem_ctx) ir_dereference_variable(bumped);
- expr = new(p->mem_ctx) ir_expression(ir_binop_add,
- new(p->mem_ctx) ir_swizzle(deref,
- 0, 1, 1, 1,
- 2),
- expr);
-
- deref = new(p->mem_ctx) ir_dereference_variable(bumped);
- assign = new(p->mem_ctx) ir_assignment(deref, expr, NULL, WRITEMASK_XY);
- p->instructions->push_tail(assign);
+ p->emit(assign(bumped, add(swizzle_xy(bumped), add(bump_x, bump_y)),
+ WRITEMASK_XY));
p->texcoord_tex[bumpedUnitNr] = bumped;
}
* GL_FOG_COORDINATE_EXT is set to GL_FRAGMENT_DEPTH_EXT.
*/
static ir_rvalue *
-emit_fog_instructions(struct texenv_fragment_program *p,
+emit_fog_instructions(texenv_fragment_program *p,
ir_rvalue *fragcolor)
{
struct state_key *key = p->state;
ir_rvalue *f, *temp;
ir_variable *params, *oparams;
ir_variable *fogcoord;
- ir_assignment *assign;
/* Temporary storage for the whole fog result. Fog calculations
* only affect rgb so we're hanging on to the .a value of fragcolor
* this way.
*/
- ir_variable *fog_result = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
- "fog_result",
- ir_var_auto);
- p->instructions->push_tail(fog_result);
- temp = new(p->mem_ctx) ir_dereference_variable(fog_result);
- assign = new(p->mem_ctx) ir_assignment(temp, fragcolor, NULL);
- p->instructions->push_tail(assign);
-
- temp = new(p->mem_ctx) ir_dereference_variable(fog_result);
- fragcolor = new(p->mem_ctx) ir_swizzle(temp, 0, 1, 2, 3, 3);
-
- oparams = p->shader->symbols->get_variable("gl_MESAFogParamsOptimized");
+ ir_variable *fog_result = p->make_temp(glsl_type::vec4_type, "fog_result");
+ p->emit(assign(fog_result, fragcolor));
+
+ fragcolor = swizzle_xyz(fog_result);
+
+ oparams = p->shader->symbols->get_variable("gl_FogParamsOptimizedMESA");
fogcoord = p->shader->symbols->get_variable("gl_FogFragCoord");
params = p->shader->symbols->get_variable("gl_Fog");
f = new(p->mem_ctx) ir_dereference_variable(fogcoord);
- ir_variable *f_var = new(p->mem_ctx) ir_variable(glsl_type::float_type,
- "fog_factor", ir_var_auto);
- p->instructions->push_tail(f_var);
+ ir_variable *f_var = p->make_temp(glsl_type::float_type, "fog_factor");
switch (key->fog_mode) {
case FOG_LINEAR:
* gl_MesaFogParamsOptimized gives us (-1 / (end - start)) and
* (end / (end - start)) so we can generate a single MAD.
*/
- temp = new(p->mem_ctx) ir_dereference_variable(oparams);
- temp = new(p->mem_ctx) ir_swizzle(temp, 0, 0, 0, 0, 1);
- f = new(p->mem_ctx) ir_expression(ir_binop_mul, f, temp);
-
- temp = new(p->mem_ctx) ir_dereference_variable(oparams);
- temp = new(p->mem_ctx) ir_swizzle(temp, 1, 0, 0, 0, 1);
- f = new(p->mem_ctx) ir_expression(ir_binop_add, f, temp);
+ f = add(mul(f, swizzle_x(oparams)), swizzle_y(oparams));
break;
case FOG_EXP:
/* f = e^(-(density * fogcoord))
* use EXP2 which is generally the native instruction without
* having to do any further math on the fog density uniform.
*/
- temp = new(p->mem_ctx) ir_dereference_variable(oparams);
- temp = new(p->mem_ctx) ir_swizzle(temp, 2, 0, 0, 0, 1);
- f = new(p->mem_ctx) ir_expression(ir_binop_mul, f, temp);
+ f = mul(f, swizzle_z(oparams));
f = new(p->mem_ctx) ir_expression(ir_unop_neg, f);
f = new(p->mem_ctx) ir_expression(ir_unop_exp2, f);
break;
* can do this like FOG_EXP but with a squaring after the
* multiply by density.
*/
- ir_variable *temp_var = new(p->mem_ctx) ir_variable(glsl_type::float_type,
- "fog_temp",
- ir_var_auto);
- p->instructions->push_tail(temp_var);
-
- temp = new(p->mem_ctx) ir_dereference_variable(oparams);
- temp = new(p->mem_ctx) ir_swizzle(temp, 3, 0, 0, 0, 1);
- f = new(p->mem_ctx) ir_expression(ir_binop_mul,
- f, temp);
-
- temp = new(p->mem_ctx) ir_dereference_variable(temp_var);
- ir_assignment *assign = new(p->mem_ctx) ir_assignment(temp, f, NULL);
- p->instructions->push_tail(assign);
-
- f = new(p->mem_ctx) ir_dereference_variable(temp_var);
- temp = new(p->mem_ctx) ir_dereference_variable(temp_var);
- f = new(p->mem_ctx) ir_expression(ir_binop_mul, f, temp);
+ ir_variable *temp_var = p->make_temp(glsl_type::float_type, "fog_temp");
+ p->emit(assign(temp_var, mul(f, swizzle_w(oparams))));
+
+ f = mul(temp_var, temp_var);
f = new(p->mem_ctx) ir_expression(ir_unop_neg, f);
f = new(p->mem_ctx) ir_expression(ir_unop_exp2, f);
break;
}
- f = saturate(p, f);
+ p->emit(assign(f_var, saturate(f)));
- temp = new(p->mem_ctx) ir_dereference_variable(f_var);
- assign = new(p->mem_ctx) ir_assignment(temp, f, NULL);
- p->instructions->push_tail(assign);
-
- f = new(p->mem_ctx) ir_dereference_variable(f_var);
- f = new(p->mem_ctx) ir_expression(ir_binop_sub,
- new(p->mem_ctx) ir_constant(1.0f),
- f);
+ f = sub(new(p->mem_ctx) ir_constant(1.0f), f_var);
temp = new(p->mem_ctx) ir_dereference_variable(params);
temp = new(p->mem_ctx) ir_dereference_record(temp, "color");
- temp = new(p->mem_ctx) ir_swizzle(temp, 0, 1, 2, 3, 3);
- temp = new(p->mem_ctx) ir_expression(ir_binop_mul, temp, f);
-
- f = new(p->mem_ctx) ir_dereference_variable(f_var);
- f = new(p->mem_ctx) ir_expression(ir_binop_mul, fragcolor, f);
- f = new(p->mem_ctx) ir_expression(ir_binop_add, temp, f);
+ temp = mul(swizzle_xyz(temp), f);
- ir_dereference *deref = new(p->mem_ctx) ir_dereference_variable(fog_result);
- assign = new(p->mem_ctx) ir_assignment(deref, f, NULL, WRITEMASK_XYZ);
- p->instructions->push_tail(assign);
+ p->emit(assign(fog_result, add(temp, mul(fragcolor, f_var)), WRITEMASK_XYZ));
return new(p->mem_ctx) ir_dereference_variable(fog_result);
}
static void
-emit_instructions(struct texenv_fragment_program *p)
+emit_instructions(texenv_fragment_program *p)
{
struct state_key *key = p->state;
GLuint unit;
for (unit = 0; unit < key->nr_enabled_units; unit++)
if (key->unit[unit].enabled) {
load_texunit_sources(p, unit);
- p->last_tex_stage = unit;
}
/* Second pass - emit combine instructions to build final color:
}
ir_rvalue *cf = get_source(p, SRC_PREVIOUS, 0);
- ir_dereference_variable *deref;
- ir_assignment *assign;
if (key->separate_specular) {
- ir_rvalue *tmp0, *tmp1;
- ir_variable *spec_result = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
- "specular_add",
- ir_var_temporary);
-
- p->instructions->push_tail(spec_result);
-
- deref = new(p->mem_ctx) ir_dereference_variable(spec_result);
- assign = new(p->mem_ctx) ir_assignment(deref, cf, NULL);
- p->instructions->push_tail(assign);
-
- deref = new(p->mem_ctx) ir_dereference_variable(spec_result);
- tmp0 = new(p->mem_ctx) ir_swizzle(deref, 0, 1, 2, 3, 3);
-
- ir_variable *secondary =
- p->shader->symbols->get_variable("gl_SecondaryColor");
- assert(secondary);
- deref = new(p->mem_ctx) ir_dereference_variable(secondary);
- tmp1 = new(p->mem_ctx) ir_swizzle(deref, 0, 1, 2, 3, 3);
-
- tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add,
- tmp0, tmp1);
+ ir_variable *spec_result = p->make_temp(glsl_type::vec4_type,
+ "specular_add");
+ p->emit(assign(spec_result, cf));
+
+ ir_rvalue *secondary;
+ if (p->state->inputs_available & FRAG_BIT_COL1) {
+ ir_variable *var =
+ p->shader->symbols->get_variable("gl_SecondaryColor");
+ assert(var);
+ secondary = swizzle_xyz(var);
+ } else {
+ secondary = swizzle_xyz(get_current_attrib(p, VERT_ATTRIB_COLOR1));
+ }
- deref = new(p->mem_ctx) ir_dereference_variable(spec_result);
- assign = new(p->mem_ctx) ir_assignment(deref, tmp0, NULL, WRITEMASK_XYZ);
- p->instructions->push_tail(assign);
+ p->emit(assign(spec_result, add(swizzle_xyz(spec_result), secondary),
+ WRITEMASK_XYZ));
cf = new(p->mem_ctx) ir_dereference_variable(spec_result);
}
ir_variable *frag_color = p->shader->symbols->get_variable("gl_FragColor");
assert(frag_color);
- deref = new(p->mem_ctx) ir_dereference_variable(frag_color);
- assign = new(p->mem_ctx) ir_assignment(deref, cf, NULL);
- p->instructions->push_tail(assign);
+ p->emit(assign(frag_color, cf));
}
/**
static struct gl_shader_program *
create_new_program(struct gl_context *ctx, struct state_key *key)
{
- struct texenv_fragment_program p;
+ texenv_fragment_program p;
unsigned int unit;
_mesa_glsl_parse_state *state;
- memset(&p, 0, sizeof(p));
p.mem_ctx = ralloc_context(NULL);
p.shader = ctx->Driver.NewShader(ctx, 0, GL_FRAGMENT_SHADER);
p.shader->ir = new(p.shader) exec_list;
p.state = key;
p.shader_program = ctx->Driver.NewShaderProgram(ctx, 0);
- state->language_version = 120;
+ /* Tell the linker to ignore the fact that we're building a
+ * separate shader, in case we're in a GLES2 context that would
+ * normally reject that. The real problem is that we're building a
+ * fixed function program in a GLES2 context at all, but that's a
+ * big mess to clean up.
+ */
+ p.shader_program->InternalSeparateShader = GL_TRUE;
+
+ state->language_version = 130;
+ if (ctx->Extensions.OES_EGL_image_external)
+ state->OES_EGL_image_external_enable = true;
_mesa_glsl_initialize_types(state);
_mesa_glsl_initialize_variables(p.instructions, state);
p.src_previous = NULL;
- p.last_tex_stage = 0;
-
ir_function *main_f = new(p.mem_ctx) ir_function("main");
- p.instructions->push_tail(main_f);
+ p.emit(main_f);
state->symbols->add_function(main_f);
ir_function_signature *main_sig =
validate_ir_tree(p.shader->ir);
- while (do_common_optimization(p.shader->ir, false, 32))
+ while (do_common_optimization(p.shader->ir, false, false, 32))
;
reparent_ir(p.shader->ir, p.shader->ir);
/* Set the sampler uniforms, and relink to get them into the linked
* program.
*/
- struct gl_fragment_program *fp = p.shader_program->FragmentProgram;
- for (unsigned int i = 0; i < MAX_TEXTURE_UNITS; i++) {
- char *name = ralloc_asprintf(p.mem_ctx, "sampler_%d", i);
- int loc = _mesa_get_uniform_location(ctx, p.shader_program, name);
- if (loc != -1) {
- /* Avoid using _mesa_uniform() because it flags state
- * updates, so if we're generating this shader_program in a
- * state update, we end up recursing. Instead, just set the
- * value, which is picked up at re-link.
- */
- loc = (loc & 0xffff) + (loc >> 16);
- int sampler = fp->Base.Parameters->ParameterValues[loc][0];
- fp->Base.SamplerUnits[sampler] = i;
- }
- }
- _mesa_update_shader_textures_used(&fp->Base);
- (void) ctx->Driver.ProgramStringNotify(ctx, fp->Base.Target, &fp->Base);
+ struct gl_shader *const fs =
+ p.shader_program->_LinkedShaders[MESA_SHADER_FRAGMENT];
+ struct gl_program *const fp = fs->Program;
+
+ _mesa_generate_parameters_list_for_uniforms(p.shader_program, fs,
+ fp->Parameters);
+
+ _mesa_associate_uniform_storage(ctx, p.shader_program, fp->Parameters);
+
+ _mesa_update_shader_textures_used(p.shader_program, fp);
+ if (ctx->Driver.SamplerUniformChange)
+ ctx->Driver.SamplerUniformChange(ctx, fp->Target, fp);
if (!p.shader_program->LinkStatus)
_mesa_problem(ctx, "Failed to link fixed function fragment shader: %s\n",
projects / mesa.git / blobdiff